package com.springai.controller;

import com.springai.entity.vo.MessageVO;
import com.springai.repository.ChatHistoryRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.ai.chat.memory.ChatMemory;
import org.springframework.ai.chat.messages.Message;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;

@RequiredArgsConstructor
@RestController
@RequestMapping("/ai/history")
public class ChatHistoryController {
 private final ChatHistoryRepository chatHistoryRepository;
 private final ChatMemory chatMemory;

//查询会话历史列表

 @GetMapping("/{type}")
 public List<String> getChatIds(@PathVariable("type") String type) {
  return chatHistoryRepository.getChatIds(type);
 }

//  根据业务类型chatId查询会话历史
 @GetMapping("/{type}/{chatId}")
 public List<MessageVO> getChatHistory(@PathVariable("type") String type,
                                       @PathVariable("chatId") String chatId) {
  List<Message> messages = chatMemory.get(chatId, Integer.MAX_VALUE);
  if(messages == null) {
   return List.of();
  }
  return messages.stream().map(MessageVO::new).toList();
 }
}
